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Dated : 12/01/2007
®
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
BTZS4678…BTZS4717
SILICON EPITAXIAL PLANAR ZENER DIODES
for Voltage Stabilization Applications
Features
• Zener voltage specified at 50 μA
• Maximum delta VZ given from 10 μA to 100 μA
• Very high stability
Absolute Maximum Ratings (Ta = 25 OC)
Parameter
Symbol
Value
Unit
Power Dissipation
Ptot
500
mW
Z-Current
IZ
Ptot / VZ
mA
Junction Temperature
Tj
175
O
C
Storage Temperature Range
TS
- 65 to + 175
O
C
Maximum Thermal Resistance at Tj = 25 OC
Parameter
Symbol
Max.
Unit
Thermal Resistance Junction to Ambient
at on PC board 50 mm X 50 mm X 1.6 mm
RthJA
500
K/W
Characteristics at Ta = 25 OC
Parameter
Symbol
Max.
Unit
Forward Voltage
at IF = 100 mA
VF
1.5
V
LS-34
QuadroMELF
Dimensions in mm